Answer:
She started with 200 stamps
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
<em>Let's multiply this out and combine like terms:</em>

So there are 2 terms.
Answer choice B is right.
Answer:
- 3
Step-by-step explanation:
let n be the number , then
3n + 4 = n - 2 ( subtract n from both sides )
2n + 4 = - 2 ( subtract 4 from both sides )
2n = - 6 ( divide both sides by 2 )
n = - 3
The number is - 3
Answer:
The width should be 9 feet in this situation
Step-by-step explanation:
(30 x 2) + (9 x 2) =
60 + 18 =
78 ft
Or
78 - (30 X 2) =
78 - 60 =
18 / 2 =
9
Answer is C: 6/8
solve with square roots